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Finding the Fourth Proportional to 537,122.10, 804,711.15 and 256,019.70

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Solution

The fourth proportional to 537,122.10, 804,711.15 and 256,019.70 is: 383,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,122.10 : 804,711.15 = 256,019.70 : x
  2. Step 2: Convert to fraction form
    537,122.10/804,711.15 = 256,019.70/x
  3. Step 3: Cross multiply
    537,122.10x = 804,711.15 × 256,019.70
  4. Step 4: Simplify right side
    537,122.10x = 206,021,907,209.66
  5. Step 5: Solve for x
    x = 206,021,907,209.66/537,122.10
  6. Step 6: Final answer
    x = 383,566.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.